?:authorAffiliation
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[\'US Department of Veterans Affairs, Public Health Surveillance and Research, Palo Alto, CA, USA. Electronic address: Aditya.Sharma@va.gov.\', \'US Department of Veterans Affairs, Public Health Surveillance and Research, Palo Alto, CA, USA.\', \'Iowa City Veterans Affairs Medical Center, Iowa City, IA, USA; University of Iowa Carver College of Medicine, Iowa City, IA, USA.\', \'US Department of Veterans Affairs, Population Health Services, Washington, DC, USA.\', \'US Department of Veterans Affairs, Public Health Surveillance and Research, Palo Alto, CA, USA; Stanford University, Stanford, CA, USA.\']
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